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/* -*- mode: java; c-basic-offset: 2; indent-tabs-mode: nil -*- */
/*
Part of the Processing project - http://processing.org
Copyright (c) 2005-15 Ben Fry and Casey Reas
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software Foundation,
Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
package processing.app;
import java.io.BufferedReader;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.IOException;
import java.net.URL;
import java.util.Random;
import javax.swing.JOptionPane;
import processing.app.contrib.ContributionManager;
import processing.core.PApplet;
/**
* Threaded class to check for updates in the background.
* <P>
* This is the class that handles the mind control and stuff for
* spying on our users and stealing their personal information.
* A random ID number is generated for each user, and hits the server
* to check for updates. Also included is the operating system and
* its version and the version of Java being used to run Processing.
* <P>
* Aside from the privacy invasion of knowing that an anonymous Processing
* user opened the software at one time during a 24-hour period somewhere
* in the world, we use the ID number to give us a general idea of how many
* people are using Processing, which helps us when writing grant proposals
* and that kind of thing so that we can keep Processing free. The numbers
* are also sometimes used in ugly charts when Ben and Casey present.
*/
public class UpdateCheck {
private final Base base;
static private final String DOWNLOAD_URL = "http://processing.org/download/";
static private final String LATEST_URL = "http://processing.org/download/latest.txt";
static private final long ONE_DAY = 24 * 60 * 60 * 1000;
static boolean allowed;
public UpdateCheck(Base base) {
this.base = base;
if (isAllowed()) {
new Thread(new Runnable() {
public void run() {
try {
Thread.sleep(5 * 1000); // give the PDE time to get rolling
updateCheck();
} catch (Exception e) {
// This can safely be ignored, too many situations where no net
// connection is available that behave in strange ways.
// Covers likely IOException, InterruptedException, and any others.
}
}
}, "Update Checker").start();
}
}
public void updateCheck() throws IOException, InterruptedException {
// generate a random id in case none exists yet
Random r = new Random();
long id = r.nextLong();
String idString = Preferences.get("update.id");
if (idString != null) {
id = Long.parseLong(idString);
} else {
Preferences.set("update.id", String.valueOf(id));
}
String info = PApplet.urlEncode(id + "\t" +
PApplet.nf(Base.getRevision(), 4) + "\t" +
System.getProperty("java.version") + "\t" +
System.getProperty("java.vendor") + "\t" +
System.getProperty("os.name") + "\t" +
System.getProperty("os.version") + "\t" +
System.getProperty("os.arch"));
int latest = readInt(LATEST_URL + "?" + info);
String lastString = Preferences.get("update.last");
long now = System.currentTimeMillis();
if (lastString != null) {
long when = Long.parseLong(lastString);
if (now - when < ONE_DAY) {
// don't annoy the shit outta people
return;
}
}
Preferences.set("update.last", String.valueOf(now));
if (base.activeEditor != null) {
// boolean offerToUpdateContributions = true;
if (latest > Base.getRevision()) {
System.out.println("You are running Processing revision 0" +
Base.getRevision() + ", the latest build is 0" +
latest + ".");
// Assume the person is busy downloading the latest version
// offerToUpdateContributions = !promptToVisitDownloadPage();
promptToVisitDownloadPage();
}
/*
if (offerToUpdateContributions) {
// Wait for xml file to be downloaded and updates to come in.
// (this should really be handled better).
Thread.sleep(5 * 1000);
if ((!base.contributionManagerFrame.hasAlreadyBeenOpened()
&& (base.contributionManagerFrame.hasUpdates(base)))){
promptToOpenContributionManager();
}
}
*/
}
}
protected boolean promptToVisitDownloadPage() {
String prompt = Language.text("update_check.updates_available.core");
Object[] options = { Language.text("prompt.yes"), Language.text("prompt.no") };
int result = JOptionPane.showOptionDialog(base.activeEditor,
prompt,
Language.text("update_check"),
JOptionPane.YES_NO_OPTION,
JOptionPane.QUESTION_MESSAGE,
null,
options,
options[0]);
if (result == JOptionPane.YES_OPTION) {
Platform.openURL(DOWNLOAD_URL);
return true;
}
return false;
}
protected boolean promptToOpenContributionManager() {
String contributionPrompt =
Language.text("update_check.updates_available.contributions");
Object[] options = {
Language.text("prompt.yes"), Language.text("prompt.no")
};
int result = JOptionPane.showOptionDialog(base.activeEditor,
contributionPrompt,
Language.text("update_check"),
JOptionPane.YES_NO_OPTION,
JOptionPane.QUESTION_MESSAGE,
null,
options,
options[0]);
if (result == JOptionPane.YES_OPTION) {
ContributionManager.openUpdates();
return true;
}
return false;
}
protected int readInt(String filename) throws IOException {
URL url = new URL(filename);
InputStream stream = url.openStream();
InputStreamReader isr = new InputStreamReader(stream);
BufferedReader reader = new BufferedReader(isr);
return Integer.parseInt(reader.readLine());
}
static public boolean isAllowed() {
// Disable update checks for the paranoid
return Preferences.getBoolean("update.check");
}
}